zhegongda/src/main/java/com/muzhi/zgd/handler/PlainTextResponseHandler.java

package com.muzhi.zgd.handler;

import com.muzhi.zgd.exception.HttpResponseException;
import com.muzhi.zgd.http.HttpIOUtils;
import com.muzhi.zgd.http.HttpStatus;
import java.io.IOException;
import java.net.HttpURLConnection;


public class PlainTextResponseHandler implements ResponseHandler<String> {

	@Override
	public void preHandle(HttpURLConnection httpConn) {
		httpConn.setConnectTimeout(5000);
		httpConn.setReadTimeout(10000);
	}

	@Override
	public String handleResponse(HttpURLConnection httpConn, String charset) throws IOException {
		int status = httpConn.getResponseCode();
		if (status >= HttpURLConnection.HTTP_OK && status < HttpURLConnection.HTTP_MULT_CHOICE) {
			return HttpIOUtils.toInputText(httpConn.getInputStream(), charset);
		} else {
			String result = HttpIOUtils.toInputText(httpConn.getErrorStream(), charset);
			if(result != null && result.length() > 0) {
				throw new HttpResponseException(status, result.toString());
			}
			throw new HttpResponseException(status, HttpStatus.getStatusText(status));
		}
	}

}